Round your answers to three significant digits.
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A piece of 20 in. × 24 in. metal duct is a rectangular prism. If it is 5 ft long, what is the lateral surface area A?
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A. A = 450 in. 2
B. A = 400 in. 2
C. A = 4,500 in. 2
D. A = 4,000 in. 2
E. A = 440 in. 2
Answer: E
Mathematics
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Simplify the expression. Assume that all variables are positive when they appear.
A. 
B. 58
C. 9
D. 
Mathematics
The augmented matrix of a system of equations has been transformed to an equivalent matrix in row-echelon form. If the system is consistent, then give the solution. If it is not, then state that it is inconsistent.
A. (4, -15, -27) B. (-15, 1, 4) C. (29, -15, 4) D. Inconsistent
Mathematics
Determine if the ordered pair satisfies the inequality.x ? y + 4: (5, -1)
A. No B. Yes
Mathematics
Solve the equation.4(3x - 3) + 26 = 10x + 4
A. {-10} B. {-20} C. {5} D. {-5}
Mathematics